You seem in the specific purposes that deal with CEFR B1. Firstly, it is important for you to know what CEFR stands for. Basically, CEFR stands for Common European Framework Reference which assists you to notice the level of any kind of language test. CEFR holds a crucial role to be the global framework as there are many kinds of language test which is available. At this point, CEFR allows you to be more flexible to take the test. In example, if you are in attempt to settle in the UK, you are required to pass an English skill test in level of intermediate. You do not have to be hurried in finding the references such as website
to book the date of your test.
CEFR helps you to gain more options of taking a test for an intermediate level of English skills. For the particular purpose of settlement in the UK, with CEFR you can have ISE I or Grade 5 or 6 of GESE to take optionally. CEFR calls the intermediate level B1. By this way, it is possible for you to choose which test is the most preferable for you as each of them must be different in some points.
Type of the test is likely to be the first option to decide before you take further steps. Thus, it does not feel too much to observe each of type for a while. As you are confident with a certain type of the test, you can go for it to study in details.
Now you do not have to feel confused of what CEFR B1 is. It is just another framework that assists everyone to see the equivalence of the tests. It is such important information for those that are in purpose of taking the language skill test immediately.